外研版（2019）必修第一册Unit 5 Into the wildUnderstanding ideas 课件 (23张ppt）

(共23张PPT)
Enjoy the video and think about the following questions.
Warm-up & Lead-in
1. What are they
2. What are they doing
Enjoy the video and think about the following questions.
Warm-up & Lead-in
1. What are they
2. What are they doing
Vestibulum ante ipsum primis in faucibus orci luctus et ultrices posuere cubiliaVestibulum ante ipsum primis in faucibus orci luctus et ultrices
The Monarch's Journey
Learning Aims
1. To master some useful words and expressions about animal’s migration.
2. To understand the content and structure of the text.
3. To learn some reading skills by carrying out different tasks.
4. To express your views about protecting the monarch butterfly.
You needn't read the passage word by word,
just read it for main idea.
Sometimes the title and the pictures can also help you.
“
“
Fast reading
(6 mins)
Fast reading
What does the passage mainly talk about
A. Mexico’s monarch.
B. The reasons for monarch’s migration.
C. The monarch’s migration.
The main idea of a passage can be found from its title, the topic sentence, or even the pictures.
Task 1: Choose the best answer.
Para. 1
Paras. 2-3
Para. 4
Para. 5
A. Measures to protect monarch butterfly
B. Monarch butterfly's
trouble &causes
C. Information about migration
D. Monarch butterfly's migration
Fast reading
Task 2: Match the main ideas.
Careful reading
(15 mins)
“
“
To find food
To seek a partner
In search of warmer weather
Definition
（定义）
Para. 1 Information about migration
Why
Move from one place to another
At certain time of each year
Find the way to California or Mexico
When
Para. 2 Monarch butterfly's migration
Where
&How far
Every autumn
Travel around 4,000 km south
The Monarch's Journey
long
difficult
Tell the time of day
Measure the position of the sun
Para. 3 Monarch butterfly's migration
determine the way & reach the places
How do they make it
direction
Use chemicals
Its population has crashed by 90%.
Para. 4 Monarch butterfly’s
trouble & causes
Trouble
Causes
Human activities
Cut down trees
...
Record its migration.
Para. 5 Measures to protect
monarch butterfly
Measures
Ensure enough food
Retelling is an effective method to check whether
you have a good understanding of the passage.
Retelling
(5mins)
“
“
Many animals migrate at certain times of the year. Of all the mass 1._________(migrate), that of the North American monarch butterflies is one of the most wonderful. //Every autumn, they begin 2.__ long and difficult journey. Somehow they manage to travel around 4,000 kilometres south and find their way 3.___ California or Mexico. //They are able to tell the time of the day and use their eyes 4._________ (measure) the position of the sun. 5.________ (eventual), they manage to reach California or Mexico.
migrations
a
to measure
to
Eventually
Rational cloze.
Now the monarch is in serious trouble, and its population 6.__________ (crash) by as much as ninety per cent in the last few years. Human activity is the main reason. //In many of the places where monarchs can 7._________ (find), people are destroying the natural environment by 8.______ (cut) down trees and using chemicals that kill the plants that monarch caterpillars eat. //Fortunately, people are aware of the problem and begin to take action. People have been working together 9.________ (protect) monarchs. The more we know about the monarchs, 10._________ (great) the chance they will survive.
has crashed
be found
cutting
to protect
the greater
“
Think&Share
(5 mins)
“
What can people do to help protect the monarch butterfly
Plant more trees.
Stop using chemicals that may kill plants as much as possible.
Protect the natural environment.
...
The more, the better!
Think&Share
Summary
1. To master some useful words and expressions about animal’s migration.
2. To understand the content and structure of the text.
3. To learn some reading skills by carrying out different tasks.
4. To express your views about protecting the monarch butterfly.
Summary
Thanks for Listening
“
“